Timber refers to wood suitable for building or carpentry and various engineering and other purposes. The word timber is derived from an Old English word ‘timberen’ which means to build. Wood or wood as a building material has many valuable properties, such as low thermal conductivity, ease of mechanical work, low bulk density and relatively high strength.
Timber has been a very important structural member from time immemorial. It has been extensively used as beams, columns and plates in construction in a variety of situations, such as foundation, flooring, stairs and roofing. Even today its use as a building material is quite popular, though it has to face tough competition from structural steel and reinforced concrete.
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